EPA Air · stack tests by state, industry and year
Educational services (NAICS 6113): stack tests in Wisconsin, 2026
- 3Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2026 at a Wisconsin source whose primary industry code is NAICS 6113. A facility filing more than one industry code is counted under the first one on its record.
Educational services (NAICS 6113) in Wisconsin, other years
Other industries in Wisconsin, 2026
- Utilities (NAICS 2211) 78
- Paper manufacturing (NAICS 3221) 15
- Primary metal manufacturing (NAICS 3315) 10
- Petroleum and coal products manufacturing (NAICS 3241) 10
- Chemical manufacturing (NAICS 3251) 9
- Waste management and remediation (NAICS 5622) 9
- Plastics and rubber products manufacturing (NAICS 3261) 7
- Utilities (NAICS 2213) 5
- Nonmetallic mineral product manufacturing (NAICS 3274) 4
- Paper manufacturing (NAICS 3222) 3
- Nonmetallic mineral product manufacturing (NAICS 3271) 3
- Printing and related support (NAICS 3231) 3
Air-emissions stack tests recorded in Wisconsin, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-04-07 | WI DOA / UW-MADISON WALNUT ST PLT | MADISON, Dane, WI | Pass | State |
| 2026-02-10 | WI DOA / UW-MADISON WALNUT ST PLT | MADISON, Dane, WI | Pass | State |
| 2026-02-09 | UW MADISON CHARTER STREET HEATING PLANT (DOA) | MADISON, Dane, WI | Pass | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in WI for NAICS industry 6113 in 2026. Stack tests recorded in 2026: 3.